Complying with JavaScript Standard Style (npx standard --fix).

Backtracking/GeneratePermutations.js

@@ -18,7 +18,7 @@ const swap = (arr, i, j) => {
 }
 
 const permutations = arr => {
-  let P = []
+  const P = []
   const permute = (arr, low, high) => {
     if (low === high) {
       P.push([...arr])

Backtracking/tests/GeneratePermutations.test.js

@@ -3,12 +3,12 @@ import { permutations } from '../GeneratePermutations'
 describe('Permutations', () => {
   it('Permutations of [1, 2, 3]', () => {
     expect(permutations([1, 2, 3])).toEqual([
-      [ 1, 2, 3 ],
-      [ 1, 3, 2 ],
-      [ 2, 1, 3 ],
-      [ 2, 3, 1 ],
-      [ 3, 1, 2 ],
-      [ 3, 2, 1 ]
+      [1, 2, 3],
+      [1, 3, 2],
+      [2, 1, 3],
+      [2, 3, 1],
+      [3, 1, 2],
+      [3, 2, 1]
     ])
   })
 })

Backtracking/tests/KnightTour.test.js

@@ -4,21 +4,20 @@ describe('OpenKnightTour', () => {
   it('OpenKnightTour(5)', () => {
     const KT = new OpenKnightTour(5)
     expect(KT.board).toEqual([
-      [ 0, 0, 0, 0, 0 ],
-      [ 0, 0, 0, 0, 0 ],
-      [ 0, 0, 0, 0, 0 ],
-      [ 0, 0, 0, 0, 0 ],
-      [ 0, 0, 0, 0, 0 ]
+      [0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0]
     ])
 
     KT.solve()
     expect(KT.board).toEqual([
-      [ 19, 4, 15, 10, 25 ],
-      [ 14, 9, 18, 5, 16 ],
-      [ 1, 20, 3, 24, 11 ],
-      [ 8, 13, 22, 17, 6 ],
-      [ 21, 2, 7, 12, 23 ]
+      [19, 4, 15, 10, 25],
+      [14, 9, 18, 5, 16],
+      [1, 20, 3, 24, 11],
+      [8, 13, 22, 17, 6],
+      [21, 2, 7, 12, 23]
     ])
   })
-
 })

Bit-Manipulation/test/IsPowerOfTwo.test.js

@@ -1,4 +1,4 @@
-import {IsPowerOfTwo} from '../IsPowerOfTwo'
+import { IsPowerOfTwo } from '../IsPowerOfTwo'
 
 test('Check if 0 is a power of 2 or not:', () => {
   const res = IsPowerOfTwo(0)

Ciphers/VigenereCipher.js

@@ -73,7 +73,6 @@ function decrypt (message, key) {
 
 export { encrypt, decrypt }
 
-
 // > encrypt('Hello World!', 'code')
 // 'Jsopq Zstzg!'
 

Ciphers/XORCipher.js

@@ -22,7 +22,6 @@ function XOR (str, key) {
 
 export { XOR }
 
-
 // Nb: Node REPL might not output the null char '\x00' (charcode 0)
 
 // > XOR('test string', 32)

Conversions/HexToDecimal.js

@@ -24,7 +24,6 @@ function hexToDecimal (hexNum) {
 
 export { hexToInt, hexToDecimal }
 
-
 // > hexToDecimal('5DE9A'))
 // 384666
 

Conversions/HexToRGB.js

@@ -13,6 +13,5 @@ function hexStringToRGB (hexString) {
 
 export { hexStringToRGB }
 
-
 // > hexStringToRGB('ffffff')
 // { r: 255, g: 255, b: 255 }

Conversions/TemperatureConversion.js

@@ -40,8 +40,7 @@ const fahrenheitToRankine = (fahrenheit) => {
 const kelvinToCelsius = (kelvin) => {
   // Wikipedia reference: https://en.wikipedia.org/wiki/Kelvin
   // Wikipedia reference: https://en.wikipedia.org/wiki/Celsius
-  return Math.round((kelvin) - 273.15)
-
+  return Math.round((kelvin) - 273.15)
 }
 
 const kelvinToFahrenheit = (kelvin) => {
@@ -53,7 +52,7 @@ const kelvinToFahrenheit = (kelvin) => {
 const kelvinToRankine = (kelvin) => {
   // Wikipedia reference: https://en.wikipedia.org/wiki/Kelvin
   // Wikipedia reference: https://en.wikipedia.org/wiki/Rankine_scale
-  return Math.round(( (kelvin) * 9 / 5))
+  return Math.round(((kelvin) * 9 / 5))
 }
 
 const rankineToCelsius = (rankine) => {

Data-Structures/Heap/test/MinPriorityQueue.test.js

@@ -4,7 +4,7 @@ describe('MinPriorityQueue', () => {
   const values = [5, 2, 4, 1, 7, 6, 3, 8]
   const capacity = values.length
 
-  const Queue = new MinPriorityQueue(capacity);
+  const Queue = new MinPriorityQueue(capacity)
 
   values.forEach(v => Queue.insert(v))
 
@@ -12,7 +12,7 @@ describe('MinPriorityQueue', () => {
     const mockFn = jest.fn()
     Queue.print(mockFn)
 
-    expect(mockFn.mock.calls.length).toBe(1)    // Expect one call
+    expect(mockFn.mock.calls.length).toBe(1) // Expect one call
     expect(mockFn.mock.calls[0].length).toBe(1) // Expect one argument
 
     const heap = mockFn.mock.calls[0][0]

Data-Structures/Stack/Stack.js

@@ -54,5 +54,4 @@ const Stack = (function () {
   return Stack
 }())
 
-
 export { Stack }

Data-Structures/Tree/AVLTree.js

@@ -229,7 +229,7 @@ const AVLTree = (function () {
     return true
   }
   return _avl
-}());
+}())
 
 /**
  * A Code for Testing the AVLTree

Data-Structures/Tree/Trie.js

@@ -116,6 +116,6 @@ Trie.prototype.findOccurences = function (word) {
   // No such word exists
   if (node === null) return 0
   return node.count
-};
+}
 
 export { Trie }

Dynamic-Programming/MinimumCostPath.js

@@ -41,4 +41,3 @@ export { minCostPath }
 //   [2, 1, 3],
 //   [3, 2, 1]
 // ])
-

Dynamic-Programming/ZeroOneKnapsack.js

@@ -40,7 +40,7 @@ const example = () => {
   input.shift()
   const length = input.length
 
-  let output = []
+  const output = []
 
   let i = 0
   while (i < length) {

Graphs/Density.js

@@ -9,4 +9,3 @@ function density (numberOfNodes, numberOfEdges, isDirected = false) {
 }
 
 export { density }
-

Graphs/FloydWarshall.js

@@ -45,4 +45,3 @@ export { FloydWarshall }
 //       [Infinity, Infinity, 1, 0]
 //     ]
 //   )
-

Project-Euler/Problem4.js

@@ -42,5 +42,3 @@ export const largestPalindromic = (digits) => {
   }
   return NaN // returning not a number, if any such case arise
 }
-
-

Search/BinarySearch.js

@@ -49,7 +49,7 @@ function binarySearchIterative (arr, x, low = 0, high = arr.length - 1) {
   return -1
 }
 
-export { binarySearchIterative, binarySearchRecursive}
+export { binarySearchIterative, binarySearchRecursive }
 
 /* ---------------------------------- Test ---------------------------------- */
 

Search/ExponentialSearch.js

@@ -47,7 +47,7 @@ function exponentialSearch (arr, length, value) {
   return binarySearch(arr, value, i / 2, Math.min(i, length))
 }
 
-export { binarySearch, exponentialSearch}
+export { binarySearch, exponentialSearch }
 
 // const arr = [2, 3, 4, 10, 40, 65, 78, 100]
 // const value = 78

Search/LinearSearch.js

@@ -8,8 +8,7 @@ function SearchArray (searchNum, ar, output = v => console.log(v)) {
   const position = Search(ar, searchNum)
   if (position !== -1) {
     output('The element was found at ' + (position + 1))
-  }
-  else {
+  } else {
     output('The element not found')
   }
 }

Sorts/GnomeSort.js

@@ -25,4 +25,3 @@ export function gnomeSort (items) {
 
 // const ar = [5, 6, 7, 8, 1, 2, 12, 14]
 // gnomeSort(ar)
-